The Standard Channel Add the logo from your device. Adjust the visible area of your image. Congratulations! Now your Telegram channel has a face Click “Save”.! To view your bio, click the Menu icon and select “View channel info.” "Doxxing content is forbidden on Telegram and our moderators routinely remove such content from around the world," said a spokesman for the messaging app, Remi Vaughn. The optimal dimension of the avatar on Telegram is 512px by 512px, and it’s recommended to use PNG format to deliver an unpixelated avatar.
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